Smartphone



FIG. 1 is a front perspective view of a smartphone showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines in FIGS. 1 and 5 illustrate portions of the smartphone that form no part of the claimed design. The oblique line shading shown in FIGS. 1 and 2 represents a transparent surface. 

CLAIM The ornamental design for a smartphone, as shown and described. 